Home / 89,085.98-122,940.64-50,844.76

Finding the Fourth Proportional to 89,085.98, 122,940.64 and 50,844.76

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Solution

The fourth proportional to 89,085.98, 122,940.64 and 50,844.76 is: 70,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,085.98 : 122,940.64 = 50,844.76 : x
  2. Step 2: Convert to fraction form
    89,085.98/122,940.64 = 50,844.76/x
  3. Step 3: Cross multiply
    89,085.98x = 122,940.64 × 50,844.76
  4. Step 4: Simplify right side
    89,085.98x = 6,250,887,335.05
  5. Step 5: Solve for x
    x = 6,250,887,335.05/89,085.98
  6. Step 6: Final answer
    x = 70,166.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.